This bubble chart shows the correlation between average horsepower, torque, and highway MPG across different car makes. It uses d3.scaleLinear for the x and y axes, with bubble size mapped to highway MPG and color mapped to car make via d3.interpolateTurbo and d3.scaleOrdinal. The visualization includes a tooltip that reveals the make on hover, and a legend displaying MPG values and color categories. Data is loaded from a CSV with d3.csv and rendered as SVG circles with animation on mouseover.